diff --git a/dataStructure/tree.js b/dataStructure/tree.js
index 144935a..7d50612 100644
--- a/dataStructure/tree.js
+++ b/dataStructure/tree.js
@@ -20,4 +20,4 @@ function traverse(node) {
     }
 }
 
-traverse(tree);
\ No newline at end of file
+traverse();
\ No newline at end of file